package command import ( "io/ioutil" "path/filepath" ) func init() { cmdScaffold.Run = runScaffold // break init cycle } var cmdScaffold = &Command{ UsageLine: "scaffold -config=[filer|notification|replication|security|master]", Short: "generate basic configuration files", Long: `Generate filer.toml with all possible configurations for you to customize. `, } var ( outputPath = cmdScaffold.Flag.String("output", "", "if not empty, save the configuration file to this directory") config = cmdScaffold.Flag.String("config", "filer", "[filer|notification|replication|security|master] the configuration file to generate") ) func runScaffold(cmd *Command, args []string) bool { content := "" switch *config { case "filer": content = FILER_TOML_EXAMPLE case "notification": content = NOTIFICATION_TOML_EXAMPLE case "replication": content = REPLICATION_TOML_EXAMPLE case "security": content = SECURITY_TOML_EXAMPLE case "master": content = MASTER_TOML_EXAMPLE } if content == "" { println("need a valid -config option") return false } if *outputPath != "" { ioutil.WriteFile(filepath.Join(*outputPath, *config+".toml"), []byte(content), 0644) } else { println(content) } return true } const ( FILER_TOML_EXAMPLE = ` # A sample TOML config file for SeaweedFS filer store # Used with "weed filer" or "weed server -filer" # Put this file to one of the location, with descending priority # ./filer.toml # $HOME/.seaweedfs/filer.toml # /etc/seaweedfs/filer.toml [memory] # local in memory, mostly for testing purpose enabled = false [leveldb] # local on disk, mostly for simple single-machine setup, fairly scalable enabled = false dir = "." # directory to store level db files [leveldb2] # local on disk, mostly for simple single-machine setup, fairly scalable # faster than previous leveldb, recommended. enabled = true dir = "." # directory to store level db files #################################################### # multiple filers on shared storage, fairly scalable #################################################### [mysql] # CREATE TABLE IF NOT EXISTS filemeta ( # dirhash BIGINT COMMENT 'first 64 bits of MD5 hash value of directory field', # name VARCHAR(1000) COMMENT 'directory or file name', # directory TEXT COMMENT 'full path to parent directory', # meta LONGBLOB, # PRIMARY KEY (dirhash, name) # ) DEFAULT CHARSET=utf8; enabled = false hostname = "localhost" port = 3306 username = "root" password = "" database = "" # create or use an existing database connection_max_idle = 2 connection_max_open = 100 [postgres] # CREATE TABLE IF NOT EXISTS filemeta ( # dirhash BIGINT, # name VARCHAR(65535), # directory VARCHAR(65535), # meta bytea, # PRIMARY KEY (dirhash, name) # ); enabled = false hostname = "localhost" port = 5432 username = "postgres" password = "" database = "" # create or use an existing database sslmode = "disable" connection_max_idle = 100 connection_max_open = 100 [cassandra] # CREATE TABLE filemeta ( # directory varchar, # name varchar, # meta blob, # PRIMARY KEY (directory, name) # ) WITH CLUSTERING ORDER BY (name ASC); enabled = false keyspace="seaweedfs" hosts=[ "localhost:9042", ] [redis] enabled = false address = "localhost:6379" password = "" db = 0 [redis_cluster] enabled = false addresses = [ "localhost:30001", "localhost:30002", "localhost:30003", "localhost:30004", "localhost:30005", "localhost:30006", ] password = "" ` NOTIFICATION_TOML_EXAMPLE = ` # A sample TOML config file for SeaweedFS filer store # Used by both "weed filer" or "weed server -filer" and "weed filer.replicate" # Put this file to one of the location, with descending priority # ./notification.toml # $HOME/.seaweedfs/notification.toml # /etc/seaweedfs/notification.toml #################################################### # notification # send and receive filer updates for each file to an external message queue #################################################### [notification.log] # this is only for debugging perpose and does not work with "weed filer.replicate" enabled = false [notification.kafka] enabled = false hosts = [ "localhost:9092" ] topic = "seaweedfs_filer" offsetFile = "./last.offset" offsetSaveIntervalSeconds = 10 [notification.aws_sqs] # experimental, let me know if it works enabled = false aws_access_key_id = "" # if empty, loads from the shared credentials file (~/.aws/credentials). aws_secret_access_key = "" # if empty, loads from the shared credentials file (~/.aws/credentials). region = "us-east-2" sqs_queue_name = "my_filer_queue" # an existing queue name [notification.google_pub_sub] # read credentials doc at https://cloud.google.com/docs/authentication/getting-started enabled = false google_application_credentials = "/path/to/x.json" # path to json credential file project_id = "" # an existing project id topic = "seaweedfs_filer_topic" # a topic, auto created if does not exists [notification.gocdk_pub_sub] # The Go Cloud Development Kit (https://gocloud.dev). # PubSub API (https://godoc.org/gocloud.dev/pubsub). # Supports AWS SNS/SQS, Azure Service Bus, Google PubSub, NATS and RabbitMQ. enabled = false # This URL will Dial the RabbitMQ server at the URL in the environment # variable RABBIT_SERVER_URL and open the exchange "myexchange". # The exchange must have already been created by some other means, like # the RabbitMQ management plugin. topic_url = "rabbit://myexchange" sub_url = "rabbit://myqueue" ` REPLICATION_TOML_EXAMPLE = ` # A sample TOML config file for replicating SeaweedFS filer # Used with "weed filer.replicate" # Put this file to one of the location, with descending priority # ./replication.toml # $HOME/.seaweedfs/replication.toml # /etc/seaweedfs/replication.toml [source.filer] enabled = true grpcAddress = "localhost:18888" # all files under this directory tree are replicated. # this is not a directory on your hard drive, but on your filer. # i.e., all files with this "prefix" are sent to notification message queue. directory = "/buckets" [sink.filer] enabled = false grpcAddress = "localhost:18888" # all replicated files are under this directory tree # this is not a directory on your hard drive, but on your filer. # i.e., all received files will be "prefixed" to this directory. directory = "/backup" replication = "" collection = "" ttlSec = 0 [sink.s3] # read credentials doc at https://docs.aws.amazon.com/sdk-for-go/v1/developer-guide/sessions.html # default loads credentials from the shared credentials file (~/.aws/credentials). enabled = false aws_access_key_id = "" # if empty, loads from the shared credentials file (~/.aws/credentials). aws_secret_access_key = "" # if empty, loads from the shared credentials file (~/.aws/credentials). region = "us-east-2" bucket = "your_bucket_name" # an existing bucket directory = "/" # destination directory [sink.google_cloud_storage] # read credentials doc at https://cloud.google.com/docs/authentication/getting-started enabled = false google_application_credentials = "/path/to/x.json" # path to json credential file bucket = "your_bucket_seaweedfs" # an existing bucket directory = "/" # destination directory [sink.azure] # experimental, let me know if it works enabled = false account_name = "" account_key = "" container = "mycontainer" # an existing container directory = "/" # destination directory [sink.backblaze] enabled = false b2_account_id = "" b2_master_application_key = "" bucket = "mybucket" # an existing bucket directory = "/" # destination directory ` SECURITY_TOML_EXAMPLE = ` # Put this file to one of the location, with descending priority # ./security.toml # $HOME/.seaweedfs/security.toml # /etc/seaweedfs/security.toml # this file is read by master, volume server, and filer # the jwt signing key is read by master and volume server. # a jwt defaults to expire after 10 seconds. [jwt.signing] key = "" expires_after_seconds = 10 # seconds # jwt for read is only supported with master+volume setup. Filer does not support this mode. [jwt.signing.read] key = "" expires_after_seconds = 10 # seconds # all grpc tls authentications are mutual # the values for the following ca, cert, and key are paths to the PERM files. # the host name is not checked, so the PERM files can be shared. [grpc] ca = "" [grpc.volume] cert = "" key = "" [grpc.master] cert = "" key = "" [grpc.filer] cert = "" key = "" # use this for any place needs a grpc client # i.e., "weed backup|benchmark|filer.copy|filer.replicate|mount|s3|upload" [grpc.client] cert = "" key = "" # volume server https options # Note: work in progress! # this does not work with other clients, e.g., "weed filer|mount" etc, yet. [https.client] enabled = true [https.volume] cert = "" key = "" ` MASTER_TOML_EXAMPLE = ` # Put this file to one of the location, with descending priority # ./master.toml # $HOME/.seaweedfs/master.toml # /etc/seaweedfs/master.toml # this file is read by master [master.maintenance] # periodically run these scripts are the same as running them from 'weed shell' scripts = """ ec.encode -fullPercent=95 -quietFor=1h ec.rebuild -force ec.balance -force volume.balance -force """ sleep_minutes = 17 # sleep minutes between each script execution ` )